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Chevron CEO Mike Wirth isn’t exactly known for panic. So when the head of one of the world’s largest energy companies says the safety nets holding global oil markets together have essentially disappeared, it’s worth paying attention.
Wirth warned on August 2, 2026, that risks to global oil supply from the Iran conflict are “very real,” pointing to a market that has been systematically stripped of the inventories and strategic reserves that normally cushion supply shocks. The result: crude prices have punched above $100 per barrel for the first time in months, and the pain is showing up at every gas station in America.
The numbers behind the squeeze
West Texas Intermediate crude is hovering around $102-103 per barrel, while Brent crude sits at $107-108 as of early September 2026. Those figures represent a dramatic escalation from where markets stood before the Iran conflict intensified in late February 2026.
The scale of the disruption dwarfs recent precedents. At various points since the escalation began, between 6.5 and 9 million barrels per day have been pulled off the market. The supply disruptions attributed to the Russia-Ukraine war, which themselves roiled global energy markets, were considerably smaller than what the Iran crisis has produced.
The epicenter of the problem is the Strait of Hormuz, a narrow waterway that handles roughly 20% of the world’s seaborne crude oil. Renewed tanker assaults and shipping disruptions have made the strait increasingly perilous for commercial vessels, choking off a critical artery of global energy trade.
American consumers are feeling the impact directly. US gasoline prices have climbed to an average of $4.09 to $4.28 per gallon, representing a jump of nearly $1 per gallon compared to a year ago.
Why the usual shock absorbers aren’t working
Wirth noted as early as May 2026 that market buffers and shock absorbers were being drawn down at an alarming rate, creating physical price pressures that go beyond the speculative moves traders usually drive.
What this means for markets and energy investors
Downstream, the picture is grimmer. Airlines, shipping companies, petrochemical manufacturers, and any business with significant fuel costs are staring at a prolonged period of elevated input prices. The nearly $1-per-gallon increase in US gasoline prices acts as a de facto tax on consumers, reducing discretionary spending and potentially slowing economic growth.
For energy traders, volatility is the defining feature of this market. The gap between 6.5 and 9 million barrels per day in disrupted supply is itself enormous, representing a swing of 2.5 million barrels per day depending on the day’s geopolitical conditions.
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